Hesher
Find the Slope of the line through points:
(-3,-4) and (16, 8)
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yazthespaz
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There is a special formula for this, do you know what it is?
Hesher
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Wouldn't the steps be to do:
Y2 - Y1
Over
X2 - X1
yazthespaz
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Yes great!
Hesher
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That part I do know, but it's the part that comes after I'm not so sure of
yazthespaz
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So now you can just pick which ever points you wan as Y2 X2 and so on
Hesher
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Is the answer always supposed to be a fraction?
yazthespaz
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technically not
yazthespaz
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for example if you get 10/5 the slope might end up being 5 which would technically be 5/1 in rise over run form. Making 5 rise and 1 run
yazthespaz
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I'm sorry the slope will end up being 2*
Hesher
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oh, I forgot I was supposed to simplify
yazthespaz
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always, but when you graph the fraction even if you get slope 4 for example you would still move 1 to the right. Did i answer your questions?
Hesher
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Yes you did. Thank you!
yazthespaz
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No problem!
Hesher
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Just one last thought, but it is common for the rise to be negative sometimes right?
yazthespaz
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yes, but when your simplifying the slope form, if the rise is negative the whole slope is negative just like when the run is negative the whole slope is negative
Hesher
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I see
yazthespaz
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basically the rise cannot be negative and the run is positive, if one is negative they are both negative
yazthespaz
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or vise versa
Hesher
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Ahh, I see it now. Thank you
yazthespaz
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No problem